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Finding the Fourth Proportional to 568,605.26, 784,654.65 and 313,950.98

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Solution

The fourth proportional to 568,605.26, 784,654.65 and 313,950.98 is: 433,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,605.26 : 784,654.65 = 313,950.98 : x
  2. Step 2: Convert to fraction form
    568,605.26/784,654.65 = 313,950.98/x
  3. Step 3: Cross multiply
    568,605.26x = 784,654.65 × 313,950.98
  4. Step 4: Simplify right side
    568,605.26x = 246,343,092,405.78
  5. Step 5: Solve for x
    x = 246,343,092,405.78/568,605.26
  6. Step 6: Final answer
    x = 433,240.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.